Granted Patent
Utility
US 4,770,069 · App. 06/883,211
Hand-held cap opener for child resistant containers
Inventors:
Carl Mikan, Louis W. Matthey
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Jul 8, 1986
Inventors
Carl Mikan
Louis W. Matthey
Assignee (at issue)
Precise Metals & Plastics, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.